﻿<html>
<head>
<title></title>
<style type="text/css">
    a {
       color:red;
       text-decoration: none;
    }
    a:hover{
        font-size: 64px;
        color: #00FF00;
        text-decoration: underline;
        background: #000000;
    }
  </style>
</head>
<body>
<p>这是一个<a href="https://www.baidu.com">超链接</a></p>
</body>
</html>